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Energy and Throughput Optimization of Wireless Mesh Networks with Continuous Power Control

Abstract : —Providing high data rates with minimum energy consumption is a crucial challenge for next generation wireless networks. There are few papers in the literature which combine these two issues. This paper focuses on multi-hop wireless mesh networks using a MAC layer based on S-TDMA (Spatial Time Di-vision Multiple Access). We develop an optimization framework based on linear programming to study the relationship between throughput and energy consumption. Our contributions are two-fold. First, we formulate and solve, using column generation, a new MILP to compute offline energy-throughput tradeoff curve. We use a physical interference model where the nodes can perform continuous power control and can use a discrete set of data rates. Second, we highlight network engineering insights. We show, via numerical results, that power control and multi-rate functionalities allow optimal throughput to be reached, with lower energy consumption, using a mix of single hop and multi-hop routes.
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Contributor : Hervé Rivano Connect in order to contact the contributor
Submitted on : Thursday, November 20, 2014 - 3:30:53 PM
Last modification on : Friday, May 13, 2022 - 3:16:04 PM
Long-term archiving on: : Monday, February 23, 2015 - 8:49:40 AM


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Anis Ouni, Hervé Rivano, Fabrice Valois, Catherine Rosenberg. Energy and Throughput Optimization of Wireless Mesh Networks with Continuous Power Control. IEEE Transactions on Wireless Communications, 2015, 14 (2), pp.1131-1142. ⟨10.1109/TWC.2014.2364815⟩. ⟨hal-01085013⟩



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